Global warming comes to town

Sea levels rise, the Thames Barrier is breached – and this is how central London will look after the flood, according to one team’s calculations.

It finally happens – one iceberg too many melts and London is flooded. But instead of the usual clichéd post-apocalyptic nightmare, Rob Graves and Didier Madoc-Jones at creative communications company GMJ have documented what they calculate would be the resulting Venetian beauty. They projected the cityscape on to a 3D topographic map and added rendered floodwater. Graves tells us: “It is based on technically accurate data, so the flood plain will be 6.1m to 6.4m deep.”

Jason Hawkes shot the original photograph.

Check out more images of London underwater in our online photo story courtesy ofGMJ.